From: Amir Goldstein Date: Fri, 15 Nov 2024 15:30:18 +0000 (-0500) Subject: fanotify: rename a misnamed constant X-Git-Tag: v6.14-rc1~129^2~16 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4edcb9f7b7179ef87ca16440da50ff01f05f268c;p=thirdparty%2Fkernel%2Flinux.git fanotify: rename a misnamed constant FANOTIFY_PIDFD_INFO_HDR_LEN is not the length of the header. Signed-off-by: Amir Goldstein Signed-off-by: Jan Kara Link: https://patch.msgid.link/8776ab90fe538225aeb561c560296bafd16b97c4.1731684329.git.josef@toxicpanda.com --- diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 8fca5ec442e42..456cc3e92c883 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -117,7 +117,7 @@ struct kmem_cache *fanotify_perm_event_cachep __ro_after_init; #define FANOTIFY_EVENT_ALIGN 4 #define FANOTIFY_FID_INFO_HDR_LEN \ (sizeof(struct fanotify_event_info_fid) + sizeof(struct file_handle)) -#define FANOTIFY_PIDFD_INFO_HDR_LEN \ +#define FANOTIFY_PIDFD_INFO_LEN \ sizeof(struct fanotify_event_info_pidfd) #define FANOTIFY_ERROR_INFO_LEN \ (sizeof(struct fanotify_event_info_error)) @@ -172,14 +172,14 @@ static size_t fanotify_event_len(unsigned int info_mode, dot_len = 1; } - if (info_mode & FAN_REPORT_PIDFD) - event_len += FANOTIFY_PIDFD_INFO_HDR_LEN; - if (fanotify_event_has_object_fh(event)) { fh_len = fanotify_event_object_fh_len(event); event_len += fanotify_fid_info_len(fh_len, dot_len); } + if (info_mode & FAN_REPORT_PIDFD) + event_len += FANOTIFY_PIDFD_INFO_LEN; + return event_len; } @@ -501,7 +501,7 @@ static int copy_pidfd_info_to_user(int pidfd, size_t count) { struct fanotify_event_info_pidfd info = { }; - size_t info_len = FANOTIFY_PIDFD_INFO_HDR_LEN; + size_t info_len = FANOTIFY_PIDFD_INFO_LEN; if (WARN_ON_ONCE(info_len > count)) return -EFAULT;